Please understand that this is a used item. It hasn't been used much. Set of 2. One of the attached plastic nozzles is missing. NTG (Nippon Tansan Gas) Width W x Depth D x Height H (mm): 110 x 80 x 315, Bottle Capacity (mL): 700, Usable Capacity (mL): Max. 340, Weight (g): 700, Size: M, Material: Stainless steel Instruction manual included. *Food additive nitrous oxide (high-pressure cylinder) is sold separately and requires direct purchase from a gas distributor.